#!/bin/bash -eu
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################

project=$1
# Path the fuzz target source file relative to the project's root.
fuzz_target=$2
# Arguments to pass to Jazzer.js
jazzerjs_args=${@:3}

# Copy source code into the $OUT directory and install Jazzer.js into the project.
if [ ! -d $OUT/$project ]; then
  cp -r $SRC/$project $OUT/$project
fi

fuzzer_basename=$(basename -s .js $fuzz_target)

# Create an execution wrapper that executes Jazzer.js with the correct arguments.
echo "#!/bin/bash
# LLVMFuzzerTestOneInput so that the wrapper script is recognized as a fuzz target for 'check_build'.
project_dir=\$(dirname \"\$0\")/$project
\$project_dir/node_modules/@jazzer.js/core/dist/cli.js \$project_dir/$fuzz_target $jazzerjs_args \$JAZZERJS_EXTRA_ARGS -- \$@" > $OUT/$fuzzer_basename

chmod +x $OUT/$fuzzer_basename
